{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "By analyzing the image stacks , the obtained near - edge X - ray absorption fine structure ( NEXAFS ) spectra of our individual hybrid particles show clearly that our synthesis generates TiO ( 2 ) in the anastase phase ."}
{"Chemical": ["TiO ( 2 )"]}